1

I'm trying to configure dnsmasq as dhcp server on CentOS 7 minimal installation.

My network consists of wi-fi AP, Ethernet, Bluetooth PAN and bridge called common-bridge which serves as master for all of them. dnsmasq is listening on common-bridge interface with following config:

domain-needed
bogus-priv
no-resolv
filterwin2k
expand-hosts
listen-address=127.0.0.1
listen-address=192.168.1.1
dhcp-range=192.168.1.5,192.168.1.150

The strange thing is that DHCP is working fine with Wi-Fi and BT, but Ethernet client can't obtain IP address.

Looks like there is no traffic at all because tcpdump shows no traffic on the server side.

0

The problem is related unstable network card driver (r8169) and is not related to network configuration.

Steps to install stable driver are described in Hetzner tutorial (link)

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